The following table provides summary statistics for contract job vacancies advertised in the North West with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 28 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
England / North West
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 29 26 42
Rank change year-on-year -3 +16  
Contract jobs citing TDD 144 228 134
As % of all contract IT jobs advertised in the North West 5.57% 5.93% 3.68%
As % of the Processes & Methodologies category 6.78% 7.20% 4.67%
Number of daily rates quoted 107 176 98
Median daily rate £420 £400 £375
Median daily rate % change year-on-year +5.00% +6.66%  
90% offered a daily rate of more than £313 £325 £300
10% offered a daily rate of more than £550 £484 £500
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.12% +6.66%  
Number of hourly rates quoted 1 3 0
Median hourly rate £50.00 £37.50 -
Median hourly rate % change year-on-year +33.33% -  
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the North West with a requirement for process and methodology skills.

Contract Process & Methodology Skills
North West
Contract job vacancies with a requirement for process and methodology skills 2125 3167 2872
As % of all contract IT job vacancies advertised in the North West 82.24% 82.32% 78.81%
Number of daily rates quoted 1345 1922 1563
Median daily rate £400 £400 £400
90% offered a daily rate of more than £275 £293 £275
10% offered a daily rate of more than £550 £538 £550
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 109 118 130
Median hourly rate £41.00 £37.50 £40.00
Median hourly rate % change year-on-year +9.33% -6.25%  
90% offered a hourly rate of more than £16.00 £16.00 £13.00
10% offered a hourly rate of more than £50.90 £50.00 £60.00
UK excluding London median hourly rate £36.00 £38.50 £30.20
% change year-on-year -6.49% +27.48%  

TDD
Job Vacancy Trend in the North West

The job posting trend of jobs advertised in the North West citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in the North West

TDD
Contractor Daily Rate Trend in the North West

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in the North West.

Contractor daily rate trend for TDD in the North West

TDD
Contractor Daily Rate Histogram in the North West

The daily rate distribution of IT jobs citing TDD in the North West over the 3 months to 28 March 2017.

Contractor daily rate histogram for TDD in the North West

TDD
Contractor Hourly Rate Trend in the North West

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD in the North West.

Contractor hourly rate trend for TDD in the North West

TDD
Contract Job Locations in the North West

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the North West region over the 3 months to 28 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Manchester -10 81 £380 -5.00% 74
Cheshire -2 28 £438 +8.02% 26
Merseyside - 21 £550 - 7
Lancashire +25 11 £400 +14.28% 8
TDD
England

TDD
Top 30 Co-occurring IT Skills in the North West

For the 6 months to 28 March 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the North West region with a requirement for TDD.

1 245 (76.32%) Agile Software Development
2 167 (52.02%) Java
3 156 (48.60%) BDD
4 142 (44.24%) JavaScript
5 116 (36.14%) Scrum
6 93 (28.97%) HTML
7 85 (26.48%) CSS
8 81 (25.23%) AngularJS
9 78 (24.30%) Git (software)
10 73 (22.74%) SQL
11 72 (22.43%) Software Engineering
12 64 (19.94%) REST
13 63 (19.63%) Web Services
14 61 (19.00%) Continuous Integration
15 60 (18.69%) Node.js
15 60 (18.69%) OO
15 60 (18.69%) Spring
16 58 (18.07%) RESTful
17 55 (17.13%) HTML5
18 53 (16.51%) C#
19 50 (15.58%) .NET
19 50 (15.58%) Linux
20 45 (14.02%) NoSQL
21 44 (13.71%) Python
21 44 (13.71%) MVC
22 41 (12.77%) High Availability
23 40 (12.46%) Kanban
24 39 (12.15%) JUnit
25 38 (11.84%) Finance
25 38 (11.84%) Amazon AWS

TDD
Co-occurring IT Skills in the North West by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 14 (4.36%) CMS
2 10 (3.12%) Tomcat
3 9 (2.80%) WebSphere
4 8 (2.49%) Confluence
5 7 (2.18%) Apache Spark
5 7 (2.18%) GeoServer
6 6 (1.87%) Umbraco
6 6 (1.87%) WebLogic
7 5 (1.56%) Adobe Experience Manager
7 5 (1.56%) GlassFish
7 5 (1.56%) JBoss
7 5 (1.56%) SharePoint
8 4 (1.25%) Apache
9 3 (0.93%) BizTalk Server
9 3 (0.93%) Sitecore CMS
10 2 (0.62%) DNN
10 2 (0.62%) EPiServer
10 2 (0.62%) Immediacy CMS
10 2 (0.62%) Sitefinity
10 2 (0.62%) WordPress
Applications
1 4 (1.25%) Photoshop
2 1 (0.31%) Adobe Creative Suite
2 1 (0.31%) Adobe Illustrator
2 1 (0.31%) Fireworks
2 1 (0.31%) MS Excel
2 1 (0.31%) MS Visio
Business Applications
1 5 (1.56%) SAP Oil and Gas
2 3 (0.93%) Dynamics CRM
3 1 (0.31%) Dynamics AX
3 1 (0.31%) Oracle BPM
Cloud Services
1 38 (11.84%) Amazon AWS
2 13 (4.05%) Microsoft Azure
3 9 (2.80%) GitHub
4 6 (1.87%) Slack
5 5 (1.56%) Cloud Computing
5 5 (1.56%) Google Cloud Platform
5 5 (1.56%) SaaS
6 3 (0.93%) AWS CloudFormation
6 3 (0.93%) PaaS
7 2 (0.62%) Amazon EC2
7 2 (0.62%) Amazon EMR
7 2 (0.62%) Amazon S3
7 2 (0.62%) AWS Elastic Beanstalk
8 1 (0.31%) Amazon SQS
8 1 (0.31%) AWS Lambda
8 1 (0.31%) Trello
Communications & Networking
1 26 (8.10%) HTTP
2 3 (0.93%) HTTPS
2 3 (0.93%) SSL
Database & Business Intelligence
1 45 (14.02%) NoSQL
2 26 (8.10%) SQL Server
3 23 (7.17%) MongoDB
4 22 (6.85%) MySQL
5 11 (3.43%) Relational Database
6 10 (3.12%) Big Data
6 10 (3.12%) Hadoop
7 8 (2.49%) PostgreSQL
8 5 (1.56%) RDBMS
9 4 (1.25%) CouchDB
10 3 (0.93%) Apache Cassandra
10 3 (0.93%) Couchbase
10 3 (0.93%) HDInsight
10 3 (0.93%) Neo4j
10 3 (0.93%) Oracle Database
10 3 (0.93%) Riak
10 3 (0.93%) Spark SQL
10 3 (0.93%) SQL Server 2008
11 2 (0.62%) Electronic Patient Records
11 2 (0.62%) SQL Server 2014
Development Applications
1 78 (24.30%) Git (software)
2 39 (12.15%) JUnit
3 37 (11.53%) Selenium
4 35 (10.90%) Cucumber
5 33 (10.28%) Jenkins
6 23 (7.17%) JIRA
7 22 (6.85%) gulp
8 20 (6.23%) Jasmine
9 18 (5.61%) Maven
10 16 (4.98%) Grunt
11 12 (3.74%) StarTeam
12 11 (3.43%) Gradle
13 10 (3.12%) Mocha
14 9 (2.80%) JBehave
14 9 (2.80%) Karma Test Runner
14 9 (2.80%) Mercurial
14 9 (2.80%) Subversion
14 9 (2.80%) Team Foundation Server
14 9 (2.80%) WebDriver
15 7 (2.18%) Mockito
General
1 38 (11.84%) Finance
2 20 (6.23%) Banking
3 16 (4.98%) Games
4 7 (2.18%) Marketing
5 6 (1.87%) Telecoms
6 5 (1.56%) Back Office
6 5 (1.56%) Electronics
6 5 (1.56%) Manufacturing
7 2 (0.62%) Investment Banking
7 2 (0.62%) Legal
8 1 (0.31%) Advertising
8 1 (0.31%) Local Government
8 1 (0.31%) Pharmaceutical
8 1 (0.31%) Prime Brokerage
8 1 (0.31%) Retail
Job Titles
1 223 (69.47%) Developer
2 77 (23.99%) Java Developer
3 35 (10.90%) JavaScript Developer
4 33 (10.28%) Senior Developer
5 28 (8.72%) Agile Developer
6 25 (7.79%) .NET Developer
6 25 (7.79%) Agile Java Developer
7 22 (6.85%) Software Engineer
8 19 (5.92%) Senior Java Developer
9 18 (5.61%) Tester
10 17 (5.30%) Automation Tester
10 17 (5.30%) Front End Developer (Client-Side Developer)
11 13 (4.05%) Angular Developer
12 12 (3.74%) Senior Agile Developer
12 12 (3.74%) Senior Agile Java Developer
13 11 (3.43%) Full Stack Developer
13 11 (3.43%) Software Developer
14 10 (3.12%) Analyst
14 10 (3.12%) Architect
14 10 (3.12%) C# Developer
Libraries, Frameworks & Software Standards
1 93 (28.97%) HTML
2 85 (26.48%) CSS
3 81 (25.23%) AngularJS
4 64 (19.94%) REST
5 63 (19.63%) Web Services
6 60 (18.69%) Node.js
6 60 (18.69%) Spring
7 58 (18.07%) RESTful
8 55 (17.13%) HTML5
9 50 (15.58%) .NET
10 37 (11.53%) CSS3
11 31 (9.66%) XML
12 29 (9.03%) jQuery
13 28 (8.72%) React
14 26 (8.10%) ASP.NET
14 26 (8.10%) J2EE
15 25 (7.79%) SOAP
16 23 (7.17%) Apache Cordova
17 21 (6.54%) Spring Boot
18 19 (5.92%) Hibernate
Miscellaneous
1 25 (7.79%) Mobile App
2 20 (6.23%) User Experience
3 13 (4.05%) Analytical Skills
4 7 (2.18%) Derivative
5 6 (1.87%) Mobile Games
5 6 (1.87%) OTC Derivatives
6 5 (1.56%) Wiki
7 4 (1.25%) Computer Science
7 4 (1.25%) Fintech
8 3 (0.93%) 3D Graphics
8 3 (0.93%) Data Structures
8 3 (0.93%) Streaming Video
9 2 (0.62%) Algorithms
9 2 (0.62%) IPTV
9 2 (0.62%) Public Cloud
9 2 (0.62%) Tandem
9 2 (0.62%) Virtual Team
10 1 (0.31%) Clustering
10 1 (0.31%) Linux Command Line
10 1 (0.31%) Smartphone
Operating Systems
1 50 (15.58%) Linux
2 26 (8.10%) Android
3 15 (4.67%) Apple iOS
4 12 (3.74%) VME
5 10 (3.12%) Unix
6 7 (2.18%) Red Hat Enterprise Linux
7 3 (0.93%) Windows
Processes & Methodologies
1 245 (76.32%) Agile Software Development
2 156 (48.60%) BDD
3 116 (36.14%) Scrum
4 72 (22.43%) Software Engineering
5 61 (19.00%) Continuous Integration
6 60 (18.69%) OO
7 44 (13.71%) MVC
8 41 (12.77%) High Availability
9 40 (12.46%) Kanban
10 35 (10.90%) Open Source
11 33 (10.28%) Front End Development
12 32 (9.97%) Pair Programming
13 31 (9.66%) Microservices
14 29 (9.03%) Continuous Delivery
14 29 (9.03%) DevOps
14 29 (9.03%) Unit Testing
15 23 (7.17%) Test Automation
16 20 (6.23%) Responsive Web Design
17 19 (5.92%) Automated Testing
17 19 (5.92%) E-Commerce
Programming Languages
1 167 (52.02%) Java
2 142 (44.24%) JavaScript
3 73 (22.74%) SQL
4 53 (16.51%) C#
5 44 (13.71%) Python
6 28 (8.72%) Scala
7 19 (5.92%) Ruby
8 14 (4.36%) ES6
9 12 (3.74%) COBOL
9 12 (3.74%) Groovy
10 10 (3.12%) PHP
11 7 (2.18%) Clojure
12 5 (1.56%) C
12 5 (1.56%) C++
12 5 (1.56%) TypeScript
13 4 (1.25%) PL/SQL
13 4 (1.25%) PowerShell
14 3 (0.93%) Bash Shell
14 3 (0.93%) F#
14 3 (0.93%) VB
Qualifications
1 12 (3.74%) Degree
2 11 (3.43%) ISEB
3 8 (2.49%) Security Cleared
4 6 (1.87%) BPSS Clearance
5 2 (0.62%) ISTQB
5 2 (0.62%) ISTQB Foundation Certification
5 2 (0.62%) SC Cleared
6 1 (0.31%) MCP
6 1 (0.31%) Microsoft Certification
Quality Assurance & Compliance
1 27 (8.41%) QA
2 1 (0.31%) Disclosure Scotland
2 1 (0.31%) SDET
System Software
1 15 (4.67%) Virtual Machines
2 7 (2.18%) Docker
3 3 (0.93%) VMware Infrastructure
4 1 (0.31%) Shibboleth
4 1 (0.31%) VirtualBox
Systems Management
1 6 (1.87%) Opscode Chef
1 6 (1.87%) Puppet
2 3 (0.93%) yum
3 2 (0.62%) Capistrano
3 2 (0.62%) Nagios
4 1 (0.31%) AirWatch
4 1 (0.31%) Kibana
4 1 (0.31%) Kubernetes
4 1 (0.31%) Terraform
Vendors
1 27 (8.41%) Oracle
2 13 (4.05%) HP
3 12 (3.74%) ICL
3 12 (3.74%) Microsoft
4 8 (2.49%) Google
5 7 (2.18%) ESRI
5 7 (2.18%) hybris
5 7 (2.18%) Red Hat
6 6 (1.87%) VMware
7 5 (1.56%) SAP
7 5 (1.56%) Twitter
8 4 (1.25%) Perforce
9 3 (0.93%) ATG
9 3 (0.93%) Sitecore
10 2 (0.62%) Alterian
10 2 (0.62%) IBM
10 2 (0.62%) Sybase
10 2 (0.62%) Xamarin
11 1 (0.31%) Capita
11 1 (0.31%) Telerik
Cheshire
Capita Resourcing - IT Resourcing
Rate: £380 - £440 per day
Posted: 4 hours ago
Greater Manchester
Oscar
Rate: £300 - £325 per day
Posted: 19 hours ago
Merseyside
Harvey Nash plc
Posted: 3 days ago
Manchester, Lancashire
Oscar
Rate: £400 - £500 per day
Posted: 4 days ago
Manchester, Lancashire
Sanderson
Posted: 6 days ago
Greater Manchester
Progressive Recruitment
Rate: £300 - £301 per day + competitive
Posted: 5 days ago
Wilmslow, Cheshire
Oscar
Rate: £300 - £375 per day
Posted: 6 days ago
Salford, Lancashire
Reed Professional Services
Rate: From £400 to £450 per day
Posted: 6 days ago
Liverpool, Merseyside
Applause IT Innovation
Rate: £300 - £350 per day + Negotiable
Posted: 4 days ago
Manchester, Lancashire
Austin Fraser
Rate: £0.00 per day
Posted: 5 days ago
Liverpool, Merseyside
Austin Fraser
Rate: £0.00 per day
Posted: 5 days ago
Manchester
People Source Consulting
Rate: £450 - £650 per day
Posted: 18 days ago